μέλλει γὰρ ὁ υἱὸς τοῦ ἀνθρώπου ἔρχεσθαι ἐν τῇ δόξῃ τοῦ πατρὸς αὐτοῦ μετὰ τῶν ἀγγέλων αὐτοῦ, καὶ τότε ἀποδώσει ἑκάστῳ κατὰ τὴν πρᾶξιν αὐτοῦ.

1. μέλλει
   is about to
   intends, is about
2. γὰρ
   for
3. ὁ
   the
4. υἱὸς
   son
5. τοῦ
   of the
   the
6. ἀνθρώπου
   of man
   man
7. ἔρχεσθαι
   to come
8. ἐν
   in
9. τῇ
   the
10. δόξῃ
    glory
    opinion
11. τοῦ
    of the
    the
12. πατρὸς
    father
13. αὐτοῦ
    his
14. μετὰ
    with
    after
15. τῶν
    of the
16. ἀγγέλων
    angels
17. αὐτοῦ
    his
18.  
    ,
     
19. καὶ
    and
20. τότε
    then
21. ἀποδώσει
    will repay
    will give back, he will give back
22. ἑκάστῳ
    to each
    each
23. κατὰ
    according to
24. τὴν
    the
25. πρᾶξιν
    action
26. αὐτοῦ
    his
27.  
    .
     

For the son of man is about to come in the glory of his father with his angels, and then he will give back to each according to his action.